Facebook App Setup

Facebook app can be setup after or before Socialite installation. With this, you can let your users login with their Facebook accounts.

First goto https://developers.facebook.com and Sign in with your Facebook account.
Now click My Apps and click Add a new App

Fill the form and click Create App ID
Then select the following product Facebook Login and click Set Up
Then select the following platform WWW (Web)
Enter your Site URL click Save and the rest of the following steps just click Continue or Next
App still not public and to make the app public, Go to App Review then click on Toggle button.
Select a category for your app and click Confirm
After clicking confirm, the toggle button shows "yes" and your app will be public.
Now go to Settings and enter your domain or subdomain where you installed Socialite in the App Domains then click Save Changes
Now go to Facebook Login Settings and enter your website domain or subdomain where you installed Socialite in the Valid OAuth redirect URIs then click Save Changes

Make sure you have disabled the Use Strict Mode for Redirect URIs